used gpu

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Hardware

The Best Used GPU for Local AI in 2026: Why the RTX 3090 Still Wins

A used RTX 3090 gives you 24GB for ~$700–1,000 and runs the same models as cards costing 2–6x more. My honest used-market value pick for local AI — with the buying risks spelled out and current prices cited.

Voltage · Sep 22 · 8 min

Hardware

a $150 datacenter GPU has more VRAM than a $2,000 Nvidia card — here's the real catch

The AMD Instinct MI50 32GB sells used for $120-250 with more VRAM and bandwidth than most 2026 consumer cards. AMD just made owning one a lot riskier.

Voltage · Aug 4 · 7 min

Hardware

someone bolted a $266 Nvidia server GPU to their gaming PC. it's loud as a lawnmower — and it works

A used Tesla V100 and a $50 adapter got one builder to 32GB of VRAM for $266 total — here's the honest math on whether you should copy them.

Voltage · Jul 31 · 7 min

AI

buying a used RTX 3090 for local AI? the 5-minute check that saves you from a $1,000 mistake

A used 3090 is still the best VRAM-per-dollar card for local AI — but many were mining cards, and the memory runs hot. Here's exactly what to check before you hand over the cash.

Voltage · Jul 28 · 9 min